let ajaxTimes = 0;
export const request = params => {
  //数据加载前触发
  wx.showLoading({
    title: "加载中",
    mask: true
  });
  ajaxTimes++;

  
  const base_URL = "http://api-hmugo-web.itheima.net/api/public/v1";
  return new Promise((resolve, reject) => {
    wx.request({
      ...params,
      url: base_URL + params.url,
      success: result => {
        resolve(result.data.message);
      },
      fail: err => {
        reject(err);
      },
      complete: () => {
        ajaxTimes--;
        if (ajaxTimes === 0) {
          wx.hideLoading();
        }
      }
    });
  });
};
